Re: [Qemu-devel] Compilation error on Ubuntu 6.06 and 7.10 with gcc-3.4

[Stefano Stabellini <stefano.stabellini@citrix.com>]

I can confirm this, I have the same problem on Kubuntu 7.10 i386 using 
either gcc-3.4 or gcc-3.3.

Brad Campbell wrote:
> G'day all,
> 
> Getting this on my two development machines with up-to-date CVS as of now..
> 
> I did a complete directory removal and fresh CVS checkout just to be sure.
> 
> Configured with..
> 
> ./configure --target-list=i386-softmmu --enable-alsa
> 
> 
> gcc-3.4 -Wall -O2 -g -fno-strict-aliasing -fomit-frame-pointer -I. -I.. 
> -I/tracks/src/src/qemu/target-i386 -I/tracks/src/src/qemu -MMD -MP 
> -DNEED_CPU_H -D_GNU_SOURCE -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE 
> -I/tracks/src/src/qemu/fpu -DHAS_AUDIO -DHAS_AUDIO_CHOICE 
> -I/tracks/src/src/qemu/slirp    -c -o cpu-exec.o 
> /tracks/src/src/qemu/cpu-exec.c
> /tracks/src/src/qemu/cpu-exec.c: In function `cmp1':
> /tracks/src/src/qemu/cpu-exec.c:143: error: unable to find a register to 
> spill in class `DIREG'
> /tracks/src/src/qemu/cpu-exec.c:143: error: this is the insn:
> (insn:HI 15 62 16 0 /tracks/src/src/qemu/cpu-exec.c:140 (parallel [
>             (set (reg:SI 2 cx [64])
>                 (unspec:SI [
>                         (mem:BLK (reg/f:SI 66 [ s2 ]) [0 A8])
>                         (reg:QI 0 ax [68])
>                         (const_int 1 [0x1])
>                         (reg:SI 2 cx [67])
>                     ] 20))
>             (use (reg:SI 19 dirflag))
>             (clobber (reg/f:SI 66 [ s2 ]))
>             (clobber (reg:CC 17 flags))
>         ]) 632 {*strlenqi_1} (insn_list 11 (insn_list 12 (insn_list 13 
> (insn_list 14 (nil)))))
>     (expr_list:REG_DEAD (reg:SI 19 dirflag)
>         (expr_list:REG_DEAD (reg:SI 2 cx [67])
>             (expr_list:REG_DEAD (reg:QI 0 ax [68])
>                 (expr_list:REG_DEAD (reg/f:SI 66 [ s2 ])
>                     (expr_list:REG_UNUSED (reg:CC 17 flags)
>                         (expr_list:REG_UNUSED (reg/f:SI 66 [ s2 ])
>                             (expr_list:REG_EQUAL (unspec:SI [
>                                         (mem:BLK (reg/f:SI 66 [ s2 ]) [0 
> A8])
>                                         (reg:QI 0 ax [68])
>                                         (const_int 1 [0x1])
>                                         (reg:SI 2 cx [67])
>                                     ] 20)
>                                 (nil)))))))))
> /tracks/src/src/qemu/cpu-exec.c:143: confused by earlier errors, bailing 
> out
> make[1]: *** [cpu-exec.o] Error 1
> make[1]: Leaving directory `/tracks/src/src/qemu/i386-softmmu'
> make: *** [subdir-i386-softmmu] Error 2
> 
> brad@bklaptop2:/tracks/src/src/qemu$ gcc-3.4 --version
> gcc-3.4 (GCC) 3.4.6 (Ubuntu 3.4.6-1ubuntu2)
> Copyright (C) 2006 Free Software Foundation, Inc.
> This is free software; see the source for copying conditions.  There is NO
> warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
> 
> Brad